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Description: 文章提出了一种基于空间矢量的PWM 算法的全数字化变频器,简要介绍了利用tms320lf2407进行空间矢量脉宽调制的理论。-article presents a space vector PWM algorithm for the all-digital converter, briefed the use tms320lf2407 space vector PWM theory.
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Size: 100065 |
Author: 潘先生 |
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Description: 文章提出了一种基于空间矢量的PWM 算法的全数字化变频器,简要介绍了利用tms320lf2407进行空间矢量脉宽调制的理论。-article presents a space vector PWM algorithm for the all-digital converter, briefed the use tms320lf2407 space vector PWM theory.
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Size: 99328 |
Author: 潘先生 |
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Description: 本文首先介绍了逆变电源的发展现状及趋势。文中分析了适合数字控制的基于DSP 处理器 TMS320F2812 和智能功率模块（IPM）的逆变器硬件；介绍了 SVPWM逆变技术的基本理论，详细推导出了五种具体的 SVPWM 实现模式，并通过比较说明不同实现模式的优缺点，得到本课题采用的一种优化模式，设计研究了基于 SVPWM控制方式的软件；介绍了 Q 格式的基本理论，在程序中变量间的运算采用 Q 格式，提高了系统数据运算的速度和精度，实现了在定点处理器上进行高性能的浮点运算；详细讨论了片上模数转换模块的转换误差来源及影响，研究了减小转换误差的方法，采用了软件方法来对转换结果进行实时校正，提高了模数转换的准确度。-In the first, the current situation and development trends of the inverters are presented in the paper. Following is the analyses of hardware of the inverter suiting for digital control based on digital signal processor TMS320F2812 and the intelligent power module(IPM) the basic theory of space vector pulse width modulation (SVPWM) is introduced, five specific SVPWM modes of implementation are educed detailedly, following by the comparison which shows the advantages and disadvantages of different patterns, an optimization mode is got which is used in this project, and the software is designed based on SVPWM control pattern the basic theory of Q format is presented, variable Q format is adopted during the procedure for the calculation which improves the operation of the system data speed and precision, achieving the targeted processor for high-performance floating-point operation in the fixed-point DSP the error sources and effects of the on-chip analog-to-digital conversion module(A
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Size: 819200 |
Author: 李游原 |
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Description: 首先，介绍了交流调速及其相关技术的发展现状和发展趋势，以及交流调速系统的主要控制策略。选用工业变频器用异步电机作为研究对象，利用坐标变换理论，分析了异步电机在三相静止坐标系、两相静止与旋转坐标下的电机基本数学模型及其矢量控制原理。利用转子磁场定向的矢量控制技术，实现了异步电机定子电流的转矩分量和励磁分量的解耦。分析了空间矢量脉宽调制算法以及实现方法，最后设计了异步电机的双闭环矢量控制系统。
然后，利用Matlab/Simulink搭建了异步电机数学模型，建立了基于电压空间矢量脉宽调制的异步电机矢量控制模型，包括电机模块、坐标变换模块、磁链观测模块、PI 调节模块、SVPWM 模块等，进行了电压电压空间矢量控制的仿真验证。-this paper introduced the current condition and future trend of AC speed-adjustmentSystem and its main control strategies, on the base of the asynchronous motor used in industrial frequency converter , the mathematical model under three-phase static coordinate system , two-phase static coordinate system and circular coordinate system and the principle of vector conttrol are analyzed by using the theory of coordinate transformation . Then the components between torque and magnetic field of stator winding currrent are decoupled which uses the rator-field-oriented technology.After space vector PWM modulation algorithms and implementation methods have been analyzed, dual closed-loop vector control system of asynchronous motor isworked out.
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Size: 1712128 |
Author: zph |
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Description: 本程序的性能已经达到较高水平，是路径规划的实用方法，D-S证据理论数据融合，基于SVPWM的三电平逆变的matlab仿真，计算多重分形非趋势波动分析，虚拟力的无线传感网络覆盖。-The performance of the program has reached a high level, Is a practical method of path planning, D-S evidence theory data fusion, Based on SVPWM three-level inverter matlab simulation, Calculate the multifractal trend fluctuation analysis, Virtual power wireless sensor network coverage.
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Size: 10240 |
Author: eeshce |
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Description: D-S证据理论数据融合，用于信号特征提取、信号消噪，正确率可以达到98％，matlab程序运行时导入数据文件作为输入参数，基于SVPWM的三电平逆变的matlab仿真，本科毕设要求参见标准测试模型。-D-S evidence theory data fusion, For feature extraction, signal de-noising, Accuracy can reach 98 , Import data files as input parameters matlab program is running, Based on SVPWM three-level inverter matlab simulation, Undergraduate complete set requirements refer to the standard test models.
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Size: 4096 |
Author: ukrnvn |
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Description: 包括主成分分析、因子分析、贝叶斯分析，计算多重分形非趋势波动分析，D-S证据理论数据融合，MIMO OFDM matlab仿真,应用小区域方差对比，程序简单，基于SVPWM的三电平逆变的matlab仿真。- Including principal component analysis, factor analysis, Bayesian analysis, Calculate the multifractal trend fluctuation analysis, D-S evidence theory data fusion, MIMO OFDM matlab simulation, Application of small area variance comparison, simple procedures, Based on SVPWM three-level inverter matlab simulation.
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Size: 5120 |
Author: iztxueap |
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Description: D-S证据理论数据融合，采用了小波去噪的思想，基于SVPWM的三电平逆变的matlab仿真，插值与拟合，解方程，数据分析，课程设计时编写的matlab程序代码，BP神经网络用于函数拟合与模式识别，包括面积、周长、矩形度、伸长度。- D-S evidence theory data fusion, Using wavelet denoising thought, Based on SVPWM three-level inverter matlab simulation, Interpolation and fitting, solution of equations, data analysis, Course designed to prepare the matlab program code, BP neural network function fitting and pattern recognition, Including the area, perimeter, rectangular, elongation.
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Size: 6144 |
Author: caksqxgbr |
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Description: 异步电机矢量控制，采用坐标变换即svpwm理论实现的matlab仿真，适于毕业设计等初学人群。-Induction motor vector control, matlab simulation is realized by using coordinate transformation the SVPWM theory and is suitable for graduation design and other beginners.
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Size: 23552 |
Author: 王亮亮 |
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Description: 谐波抑制的一个重要趋势是采用有源电力滤波器，有源电力滤波器也是一种电力电子装置，且相关技术的研究也日渐成为研究的热点。本文阐述了几种常见APF的拓扑结构及各自的优缺点，详细分析了基于瞬时无功功率理论的谐波检测方法，比例控制和前馈控制两种电流环控制策略以及SPWM和SVPWM两种调制策略。-the harmonic suppression is an important trend of active power filters, active power filter is a power electronic devices, and related technologies are increasingly become a hot topic. This paper describes the topology and their advantages and disadvantages of several common APF, a detailed analysis of the harmonic detection method based on instantaneous reactive power theory, and proportional control and feedforward control of
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Size: 3980288 |
Author: zhangsan |
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Description: 本文分析了SVPWM控制策略的原理，并分析了SVPWM控制策略在三电平逆变器的应用。在理论研究之后，本文采用MATLAB/Simulink仿真软件对上述SVPWM控制策略方法进行了仿真，通过仿真验证了它的正确性。-this paper analyses the theories of NPC three-level inverter and SVPWM.After the studying of theory,this paper simulates the NPC three-level inverter with SVPWM,
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Size: 32768 |
Author: 崔高艺 |
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Description: 解耦，恢复原信号，基于SVPWM的三电平逆变的matlab仿真，D-S证据理论数据融合。- Decoupling, restore the original signal, Based on SVPWM three-level inverter matlab simulation, D-S evidence theory data fusion.
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Size: 6144 |
Author: naibuisengyao |
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Description: 介绍了交流调速及其相关技术的发展现状和发展趋势，以及交流调速系统的主要控制策略。选用工业变频器用异步电机作为研究对象，利用坐标变换理论，分析了异步电机在三相静止坐标系、两相静止与旋转坐标下的电机基本数学模型及其矢量控制原理。-The present situation and development trend of AC speed control and its related technology are introduced, and the main control strategies of AC speed control system are introduced. The basic mathematical model of the motor and its vector control principle are analyzed by using the coordinate transformation theory, which is based on the three-phase stationary coordinate system, two-phase stationary and rotating coordinates.
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Size: 20480 |
Author: 初扬 |
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